Alpha-alumina powder
AssigneeSumitomo Chemical Company, Limited
InventorsHirotaka OZAKI, Shinji FUJIWARA, Norifumi AZUMA
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Abstract
α-Alumina powder is provided having a purity of 99.99% by weight or more, a specific surface area of from 0.1 to 2.0 m2/g, a relative density of from 80 to 95%, a closed porosity of 4% or less, and a loosed bulk density of 2.4 g/cm3 or more, which is measured by a method for measuring physical properties of alumina powder according to JIS R9301-2-3 (1999).
Claims6
α-Alumina powder having a purity of 99.99% by weight or more, a specific surface area of from 0.1 to 2.0 m2/g, a relative density of from 80 to 95%, a closed porosity of 4% or less, and a loosed bulk density of 2.4 g/cm3 or more, which is measured by a method for measuring physical properties of alumina powder according to JIS R9301-2-3 (1999).
Dependencies are inferred from the claim text.